Q: Is 18,660 a Prime Number?
A: No, 18,660 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 18660 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 311 622 933 1,244 1,555 1,866 3,110 3,732 4,665 6,220 9,330 and 18,660, with no remainder.
Since 18,660 cannot be divided by just 1 and 18,660, it is not a prime number.